43221120011 has 16 divisors (see below), whose sum is σ = 44253128928. Its totient is φ = 42200524800.

The previous prime is 43221119983. The next prime is 43221120037. The reversal of 43221120011 is 11002112234.

It is a cyclic number.

It is not a de Polignac number, because 43221120011 - 2²² = 43216925707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43221120091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5776805 + ... + 5784281.

It is an arithmetic number, because the mean of its divisors is an integer number (2765820558).

Almost surely, 2^43221120011 is an apocalyptic number.

43221120011 is a deficient number, since it is larger than the sum of its proper divisors (1032008917).

43221120011 is a wasteful number, since it uses less digits than its factorization.

43221120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 43221120011 its reverse (11002112234), we get a palindrome (54223232245).

The spelling of 43221120011 in words is "forty-three billion, two hundred twenty-one million, one hundred twenty thousand, eleven".